| NWS Forecast for: Mellette County Issued by: National Weather Service Rapid City, SD Last Update: 753 AM CDT Thu Mar 26 2026 | |
| Today: Mostly cloudy. A slight chance of rain this afternoon. Much cooler with highs around 50. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent. Tonight: Partly cloudy. Cooler with lows in the mid 20s. Northwest winds 10 to 15 mph. Friday: Sunny. Highs in the upper 40s. North winds 10 to 15 mph with gusts up to 25 mph. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the lower 30s. Southeast winds 10 to 15 mph, increasing to south 15 to 25 mph after midnight. Gusts up to 35 mph. Saturday: Mostly sunny and breezy. Not as cool with highs in the lower 70s. South winds 15 to 25 mph with gusts up to 35 mph, diminishing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Saturday Night: Partly cloudy in the evening, then clearing. Lows around 40. Sunday: Mostly sunny. Highs in the mid 70s. Sunday Night: Partly cloudy. Lows in the upper 30s. Monday: Partly cloudy. Highs around 70. Monday Night: Partly cloudy. Lows in the lower 40s. Tuesday: Becoming mostly cloudy. Highs in the mid 70s. Tuesday Night: Mostly cloudy with a chance of rain. A chance of snow after midnight. Lows in the mid 30s. Chance of precipitation 30 percent. Wednesday: Mostly cloudy with a chance of rain and snow. Much cooler with highs in the upper 40s. Chance of precipitation 40 percent. | |
| Zone Forecast: Mellette County | |
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